[PATCH] sigevent_*: fixup non-eventfd path

[Eric Wong <e@80x24.org>]

And slightly cleanup the Kgio::DefaultWaiters include for
the eventfd path, too.

Fixes: 96825e8ca734cfbb ("remove calls to kgio_wait_* able")
---
 lib/yahns/sigevent_efd.rb  |  1 -
 lib/yahns/sigevent_pipe.rb | 18 +++++++++++++++---
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/lib/yahns/sigevent_efd.rb b/lib/yahns/sigevent_efd.rb
index 1250cf4..264097d 100644
--- a/lib/yahns/sigevent_efd.rb
+++ b/lib/yahns/sigevent_efd.rb
@@ -3,7 +3,6 @@
 # License: GPL-3.0+ (https://www.gnu.org/licenses/gpl-3.0.txt)
 # frozen_string_literal: true
 class Yahns::Sigevent < SleepyPenguin::EventFD # :nodoc:
-  include Kgio::DefaultWaiters
   def self.new
     super(0, :CLOEXEC)
   end
diff --git a/lib/yahns/sigevent_pipe.rb b/lib/yahns/sigevent_pipe.rb
index df4c31a..5d9b441 100644
--- a/lib/yahns/sigevent_pipe.rb
+++ b/lib/yahns/sigevent_pipe.rb
@@ -5,16 +5,24 @@
 class Yahns::Sigevent # :nodoc:
   attr_reader :to_io
   def initialize
-    @to_io, @wr = Kgio::Pipe.new
+    @to_io, @wr = IO.pipe
+  end
+
+  def wait_readable(*args)
+    @to_io.wait_readable(*args)
+  end
+
+  def fileno
+    @to_io.fileno
   end
 
   def sev_signal
-    @wr.kgio_trywrite(".")
+    @wr.write_nonblock(".", exception: false)
   end
 
   def yahns_step
     # 11 byte strings -> no malloc on YARV
-    while String === @to_io.kgio_tryread(11)
+    while String === @to_io.read_nonblock(11, exception: false)
     end
     :wait_readable
   end
@@ -23,4 +31,8 @@ def close
     @to_io.close
     @wr.close
   end
+
+  def closed?
+    @to_io.closed?
+  end
 end
-- 
EW